Induced sludge bed anaerobic reactor

Details Induced sludge bed anaerobic reactor Induced sludge bed anaerobic reactor

2005-06-28

2005-06-28

Prince, Fred G. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S608000

Reexamination Certificate

active

06911149

ABSTRACT:
An induced sludge bed anaerobic reactor includes a vessel in which a septum or other partition is positioned to maintain solids in wastewater being treated toward a lower zone in the reactor. A central aperture is formed in the septum into which a sludge blanket control mechanism, such as an auger, is positioned to force solids to the lower zone of the reactor or, alternatively, pull solids up above the septum so that they can be removed from the vessel, if desired. A mixer may be utilized in connection with the bioreactor to mix the contents and prevent a crust from forming at the top of the bioreactor. Still further, a wall may be positioned to extend above the septum around its perimeter to assist in separating solids from the wastewater. The various types of bacteria used in the anaerobic process may also be separated, according to the present invention, in either a single vessel or multiple vessels so that the conditions of each respective vessel can be altered as desired.

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